Home / 34,239.18-51,288.04-20,155.82

Finding the Fourth Proportional to 34,239.18, 51,288.04 and 20,155.82

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Solution

The fourth proportional to 34,239.18, 51,288.04 and 20,155.82 is: 30,192.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,239.18 : 51,288.04 = 20,155.82 : x
  2. Step 2: Convert to fraction form
    34,239.18/51,288.04 = 20,155.82/x
  3. Step 3: Cross multiply
    34,239.18x = 51,288.04 × 20,155.82
  4. Step 4: Simplify right side
    34,239.18x = 1,033,752,157.77
  5. Step 5: Solve for x
    x = 1,033,752,157.77/34,239.18
  6. Step 6: Final answer
    x = 30,192.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.